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https://www.readbyqxmd.com/read/29457935/customized-titanium-lattice-structure-in-three-dimensional-alveolar-defect-an-initial-case-letter
#1
Marcus Seiler, Peer W Kaemmerer, Michael Peetz, Amely Gundula Hartmann
The aim of this initial case report was to provide a new protocol for the clinical application of a patient-specific titanium lattice structure (Yxoss CBR®, ReOSS, Filderstadt, Germany) for customized bone regeneration. To obtain a 3-dimensional reconstruction of a posterior mandible segment in a 61-year-old woman, a patient-specific titanium customized lattice structure was used. As graft material autogenous bone tissue mixed with xenogenic alloplastic material (Bio Oss®, Geistlich Pharma, Wolhusen, Switzerland) was obtained for reconstruction...
February 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29457934/early-placement-of-dental-implants-in-maxillary-sinus-grafted-with-leukocyte-and-platelet-rich-fibrin-l-prf-and-deproteinized-bovine-bone-mineral
#2
Elton Carlos Pichotano, Rafael Scaf de Molon, Luiz Guilherme Freitas de Paula, Ricardo Violante de Souza, Elcio Marcantonio, Daniela Leal Zandim-Barcelos
This case report aimed to describe the effects of leukocyte and platelet-rich fibrin (L-PRF) associated with deproteinized bovine bone mineral (DBBM) and absorbable collagen membrane (CM) on bone regeneration in maxillary sinus augmentation. A 59-year-old male patient was referred to the Department of Periodontology for implant rehabilitation of his edentulous upper jaw. The treatment plan involved maxillary sinus augmentation followed by implants installation. A split-mouth design was employed, in which the right maxillary sinus was filled using L-PRF, DBBM, and CM; the left side was filled with DBBM and CM...
February 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29457436/-clinical-application-of-tibial-composite-saphenous-nervetissue-flap-for-the-treatment-of-traumatic-bone-skin-defect-of-leg
#3
Zhi-Wei Zhao, Wen-Jing Liu, Zhu-Qing Zha, Yan-Feng Li, Hui-Jun Fan
OBJECTIVE: To investigate the effect of tibial composite saphenous nerve tissue flap in repairing traumatic bone-skin defect of leg. METHODS: From February 2009 to May 2015, 23 patients with focile skin defect caused by trauma were treated, including 18 males and 5 females, aged from 8 to 59 years old with an average age of 35.6 years old. Length of tibia bone cortex defect ranged from 4 to 12 cm, width ranged from 2 to 2.5cm, skin defect ranged from 8 cm× 3 cm to 18 cm× 11 cm, all the wound surfaces had purulent exudation...
December 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457417/-clinical-observation-of-the-second-operation-for-refracture-after-internal-fixation-of-clavicle
#4
Hong-Wei Xu, Xiao-Jun He, Zhong-Wei Zhang, Gang Chen
OBJECTIVE: To evaluate the outcome of Titanium Elastic intramedullary nailing(TEN) for the treatment of refracture of clavicle. METHODS: From March 2010 to March 2016, 9 cases of clavicle fracture, postoperative re-fracture (plate broken before fracture healing, plate and screw pull out or refracture after fracture union and internal fixation removal) included 6 males and 3 females with a mean age of 38.6 years old ranging from 20 to 62 years old; 3 cases were sports injury, 5 cases were traffic injury, 1 case was severe injury...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457408/-double-plate-fixation-via-combined-approaches-for-the-treatment-of-old-tibial-plateau-fractures-of-schatzker-type-iv
#5
Hong-Lue Tan, Peng-Yi Dai, Wei-Feng Liu, Yan-Hao Yuan
OBJECTIVE: To explore the clinical efficacy of double-plate fixation for the treatment of old tibial plateau fractures with Schatzker type IV through anterior midline and posteromedial approaches. METHODS: From July 2013 to July 2015, 15 patients with old tibial plateau fractures were treated with internal fixation using locking reconstructive plate for the posteromedial fragment and anatomical locking plate for anteromedial fragment through antero midline and posteromedial approaches...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457402/-clinical-study-on-negative-pressure-closed-drainage-combined-with-vancomycin-loaded-calcium-sulfate-and-autogenous-bone-in-the-treatment-of-chronic-osteomyelitis
#6
Qiang Li, Shi-Feng Song, Wei Zhang, Guo-Zhi Wu, Li-Zhu Liu
OBJECTIVE: To study the clinical effects of negative pressure closed drainage combined with vancomycin loaded calcium sulfate and autogenous bone in the treatment of chronic osteomyelitis. METHODS: From June 2013 to December 2016, there were 35 cases of chronic osteomyelitis patients in our department, including 23 males and 12 females, ranging in age from 11 to 65 years old, with an average of 34 years old. The course of disease ranged from 8 to 46 months, with an average of 26 months...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457246/randomized-controlled-prospective-clinical-trial-of-autologous-greater-omentum-free-graft-versus-autogenous-cancellous-bone-graft-in-radial-and-ulnar-fractures-in-miniature-breed-dogs
#7
Jennifer J Ree, Wendy I Baltzer, Sarah Nemanic
OBJECTIVE: To determine the rate of radiographic healing, complications, vascularization, and bone density after repair of radial and ulnar fractures in dogs <6 kg that were treated with an autogenous cancellous bone graft (BG) or free autologous omentum graft (OG). STUDY DESIGN: Prospective, randomized, controlled clinical trial with owners/radiologists blinded to treatment. ANIMALS: 25 dogs with naturally occurring traumatic radial/ulnar fractures...
February 19, 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29456749/the-effect-of-canal-fill-on-paediatric-femur-fractures-treated-with-titanium-elastic-nails
#8
E Nielsen, N Bonsu, L M Andras, R Y Goldstein
Purpose: Traditional teaching for fixation of paediatric femur fractures recommends 80% nail diameter/medullary canal diameter ratio (ND/MCD) for successful maintenance of reduction. Prior studies have investigated this with stainless steel Enders nails. Our aim was to assess the impact of ND/MCD on maintenance of reduction and malunion rates in paediatric femur fractures treated with flexible intramedullary nails (FINs). Methods: Retrospective data was collected on all paediatric patients treated with FINs for diaphyseal femur fractures at a single tertiary care institution over a ten-year period...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29456635/clinical-effect-of-platelet-rich-fibrin-on-the-preservation-of-the-alveolar-ridge-following-tooth-extraction
#9
Yingdi Zhang, Zheng Ruan, Minhua Shen, Luanjun Tan, Weiqin Huang, Lei Wang, Yuanliang Huang
The aim of the present study was to evaluate the clinical efficacy of platelet-rich fibrin (PRF) in preserving the alveolar ridge following human tooth extraction. A total of 28 patients were divided into two groups: The experimental and control groups (n=14 each). Following tooth extraction, the experimental group was implanted with PRF membrane, whereas the control group was not. The gingival healing effect was assessed at 7 days, 1 and 3 months later. Cone-beam computed tomography was performed immediately and at 3 months following tooth extraction...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456311/management-of-fenestration-using-bone-allograft-in-conjunction-with-platelet-rich-fibrin
#10
Anuradha Bhatsange, Alkesh Shende, Sabina Deshmukh, Sharanabasappa Japatti
Fenestration and dehiscence are said to be anatomical variations of cortical bone and not true pathological entities. They represent window-like defects covered by periosteum and overlying gingiva with or without the intact marginal bone. The etiology of such defects is still unclear, though many hypotheses such as occlusal traumatism, trauma, and variation in root bone angulation have been put forward. Diagnosis of such defects is challenging clinically, and they cannot be appreciated in conventional radiographs...
July 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29455515/-research-on-promotory-effect-of-traditional-chinese-medicine-on-fracture-healing-in-cell-and-molecular-level
#11
REVIEW
Kun Zhang, Liang-Chen Niu, Fu-Jie Yuan, Shen-Peng Liu
Traditional Chinese medicine is widely used in the treatment of fractures, osteoporosis, other bone related diseases for thousands of years. There are many animal experiments and clinical trials demonstrating that the traditional Chinese medicine such as epimedium, Drynaria and other traditional Chinese medicine can stimulate bone regeneration and inhibit bone resorption, accelerating the fracture healing. In recent years many cell experiments have shown that these herbal ingredients up-regulated the expression of intracellular osteogenic transcription factors and osteogenic related genes, and then induced osteoblastic differentiation and stimulated the proliferation of osteoblasts, bone nodule formation and matrix mineralization...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455511/-treatment-of-gouty-arthritis-of-the-first-metatarsophalangeal-joint-by-masquelet-technique
#12
Cheng-Lin Wang, Jun-Zhong Yang
OBJECTIVE: To study clinical curative effects of a Masquelet technology in the treatment of gouty arthritis in the first metatarsophalangeal joint. METHODS: From February 2012 to May 2016, 7 patients with the gouth arthritis of the first metatarsophalangeal joint were treated by the Masqueket technology. There were 5 males and 2 females, ranging in age from 42 to 58 years old, with an average age of 50 years old. During the regular follow up, the bone healing was assessed by the radiographic imaging, and the orthopaedic foot and ankle Association (AOFAS) ankle function scoring system was used for comprehensive evaluation...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455507/-effect-and-mechanism-of-total-flavone-of-epimedium-on-primary-callus-formation-in-ovariectomized-rats-with-fractures
#13
Xiao-Lin Shi, Bo-Cheng Liang, Peng Wu, Bo Wang, Zhen-Yu Shi, Ling-Cheng Kong, Jian-Liang Yao, Jun-Jun Huang, Chun-Wen Li
OBJECTIVE: To explore the effects and related mechanisms of total flavone of epimedium treatment(TFE)on primary callus for mation in ovariectomized rats. METHODS: Forty male SD rats weighted from 209 to 246 g and aged 6 to 8 weeks were selected. Six weeks after ovariectomy a femur fracture model with middiaphyseal segment fracture was established, estimated and randomly divided into TFE group (150 mg·kg⁻¹·d⁻¹) and control group(received saline). HE staining was used to evaluate the morphologic difference of primary callus during the bone callus healing between these two groups...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455505/-femoral-supracondylar-osteotomy-for-the-treatment-of-valgus-knee-osteoarthritis-in-young-and-middle-aged-patients
#14
Shi-Hui Xiao, Ding-Wei Liu, Fu-Cheng Yang, Xiang-Min Zhang
OBJECTIVE: To evaluate the clinical efficacy of open supracondylar osteotomy of the femoral condyle for the treatment of valgus knee osteoarthritis. METHODS: From April 2008 to June 2015, 21 patients with valgus knee osteoarthritis underwent an open wedge femoral supracondylar osteotomy using the distal femur dissection plates combined with autologous iliac bone graft for the bone defect. There were 8 males (8 knees) and 13 females (15 knees), ranging in age from 30 to 54 years old, with a mean age of 41...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455490/-clinical-application-of-anterior-thoracoscopically-assisted-surgery-with-posterior-one-stage-total-en-block-spondylectomy-for-thoracic-spinal-tumor
#15
Wen Xue, Xiao-Li Guan, Zeng-Ping Wang, Zhong-Yu Hao, Lin Liu, Yao-Wen Qian
OBJECTIVE: To investigate the clincial effects and feasibility of anterior thoracoscopically assisted surgery (TAS) with posterior one-stage total en block spondylectomy(TES) for thoracic spinal tumour. METHODS: From October 2014 to January 2016, 4 patients with thoracic spinal tumour were treated by anterior thoracoscopically assisted surgery with posterior one-stage total en block spondylectomy. There were 2 males and 2 females, aged 16, 35, 46, 60 years. Courses of disease were 1, 4, 6, 9 months...
September 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29454891/a-new-procedure-for-processing-extracted-teeth-for-immediate-grafting-in-post-extraction-sockets-an-experimental-study-in-american-fox-hound-dogs
#16
José Luis Calvo Guirado, Pilar Cegarra Del Pino, Lari Sapoznikov, Rafael Arcesio Delgado Ruíz, Manuel Fernández Dominguez, Sérgio Alexandre Gehrke
OBJECTIVES: To investigate freshly extracted dental particulate used to graft post-extraction sockets in dogs, comparing new bone formation at experimental and control sites. MATERIAL AND METHODS: Bilateral premolars P2, P3, P4 and first mandibular molars were extracted atraumatically from six American Fox Hound dogs. The teeth were ground immediately using a 'Smart Dentin Grinder.' The dentin particulate was sieved to ensure a grain size of 300-1200μm and immersed in an alcohol cleanser to dissolve organic debris and bacteria, followed by washing in sterile saline buffer solution...
February 15, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29453974/genetically-modified-bone-mesenchymal-stem-cells-with-tgf-%C3%AE-3-improve-wound-healing-and-reduce-scar-tissue-formation-in-a-rabbit-model
#17
Mingyong Li, Lin Qiu, Wei Hu, Xiang Deng, Hanfeng Xu, Youhan Cao, Zijian Xiao, Liangyu Peng, Shawn Johnson, Lyundup Alexey, Paul A Kingston, Qing Li, Yuanyuan Zhang
Extensive scar tissue formation often occurs after severe burn injury, trauma, or as one of complications after surgical intervention. Despite significant therapeutic advances, it is still a significant challenge to manage massive scar tissue formation while also promoting normal wound healing. The goal of this study was to investigate the therapeutic effect of bone mesenchymal stem cells (BMSCs) that were genetically modified to overexpress transforming growth factor-beta 3 (TGF-β 3 ), an inhibitor of myofibroblast proliferation and collagen type I deposition, on full-thickness cutaneous wound healing in a rabbit model...
February 14, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29453828/clinical-and-aesthetic-outcomes-of-immediately-placed-single-tooth-implants-with-immediate-vs-delayed-restoration-in-the-anterior-maxilla-a-retrospective-cohort-study
#18
Himanshu Arora, Saso Ivanovski
OBJECTIVE: To evaluate the impact of the timing of restoration on clinical and aesthetic outcomes following immediate implant placement in the maxillary aesthetic zone. MATERIAL AND METHODS: Forty patients (16 males, 24 females) with a mean age of 50.55 ± 12.79 years (range 19-74) who had a single maxillary anterior tooth replaced by an immediate implant were included in this study. Twenty patients had their implant restored immediately with a provisional restoration (Group A), while the other 20 patients had a delayed restoration placed after 3-4 months of non-submerged healing (Group B)...
February 16, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29453815/the-use-of-chitosan-porous-3d-scaffolds-embedded-with-resolvin-d1-to-improve-in-vivo-bone-healing
#19
Daniela P Vasconcelos, Madalena Costa, Nuno Neves, José H Teixeira, Daniel M Vasconcelos, Susana G Santos, Artur P Águas, Mário A Barbosa, Judite N Barbosa
The aim of this study was to investigate the effect chitosan (Ch) porous 3D scaffolds embedded with resolvin D1 (RvD1), an endogenous pro-resolving lipid mediator, on bone tissue healing. These scaffolds previous developed by us have demonstrated to have immunomodulatory properties namely in the modulation of the macrophage inflammatory phenotypic profile in an in vivo model of inflammation. Herein, results obtained in an in vivo rat femoral defect model demonstrated that two months after Ch+RvD1 scaffolds implantation, an increase in new bone formation, in bone trabecular thickness, and in collagen type I and Coll I/Coll III ratio were observed...
February 17, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29453788/hard-and-soft-tissue-changes-around-implants-activated-using-plasma-of-argon-a-histomorphometric-study-in-dog
#20
Luigi Canullo, Marco Tallarico, Daniele Botticelli, Karol Alí Apaza Alccayhuaman, Evandro Carneiro Martins Neto, Samuel Porfirio Xavier
OBJECTIVE: To histologically assess the hard and soft tissue changes after insertion of cleaned and activated titanium implants using plasma of argon. MATERIALS AND METHODS: Eight dogs were included in this study. The mandibular premolars and first molars were extracted. For each hemi-mandible, four implants, 7 mm long and 3.3 mm of diameter, with a ZirTi surface were used. The surface of two implants was randomly treated with argon plasma (test), while the other two implants were left untreated (control)...
February 16, 2018: Clinical Oral Implants Research
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